Ballistic rated camera housing and method for forming

Details Ballistic rated camera housing and method for forming Ballistic rated camera housing and method for forming

1988-12-05

1990-04-24

Hix, L. T.

Optics: motion pictures

Removable film strip magazine type

352242, 358108, G03B 2900

Patent

active

049203673

ABSTRACT:
A housing for a surveillance camera protects the camera from damage from projectiles, including small firearms. The housing is generally spherical for reducing wind resistance, and is ballistically rated. The housing is formed of three layers to achieve the ballistic rating while maintaining low weight. A rubber-containing thermoplastic alloy provides the outer surface, an acrylic is intermediate, and ballistic aluminum is the interior layer. The camera is fully rotatable, and a ballistically rated hemisphere rotates with the camera while a clear window allows the camera to see. An outer cover is made of acrylic which may be tinted to conceal the camera window. A blower is mounted within the housing at the top thereof, and the discharge may heat or cool the camera drive motor and the rollers that mount the rotatable hemisphere. To achieve the ballistic rating economically, the inner layer is formed of aluminum, and the inner layer is used as the mold for vacuum forming the outer, thermoplastic, layers.

REFERENCES:
patent: 3732368 (1973-05-01), Mahlab
patent: 3819856 (1974-06-01), Pearl et al.
patent: 4320949 (1982-03-01), Pagano

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